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C69300 Brass vs. C94900 Bronze

Both C69300 brass and C94900 bronze are copper alloys. They have 81% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C69300 brass and the bottom bar is C94900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 8.5 to 15
17
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 550 to 630
300
Tensile Strength: Yield (Proof), MPa 300 to 390
130

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 880
980
Melting Onset (Solidus), °C 860
910
Specific Heat Capacity, J/kg-K 400
370
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
14
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
14

Otherwise Unclassified Properties

Base Metal Price, % relative 26
32
Density, g/cm3 8.2
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 45
55
Embodied Water, L/kg 310
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 70
41
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 700
72
Stiffness to Weight: Axial, points 7.4
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19 to 21
9.4
Strength to Weight: Bending, points 18 to 20
11
Thermal Shock Resistance, points 19 to 22
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 73 to 77
79 to 81
Iron (Fe), % 0 to 0.1
0 to 0.3
Lead (Pb), % 0 to 0.090
4.0 to 6.0
Manganese (Mn), % 0 to 0.1
0 to 0.1
Nickel (Ni), % 0 to 0.1
4.0 to 6.0
Phosphorus (P), % 0.040 to 0.15
0 to 0.050
Silicon (Si), % 2.7 to 3.4
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.2
4.0 to 6.0
Zinc (Zn), % 18.4 to 24.3
4.0 to 6.0
Residuals, % 0
0 to 0.8